<!DOCTYPE html>
<html>
<head>

<script type="text/javascript">

function boom()
{
  document.documentElement.style.MozColumnCount = '3';
  document.documentElement.offsetHeight;
  document.documentElement.style.MozColumnCount = '';
}

</script>

<style type="text/css">

html:before { content: '0'; }

</style>

</head>

<frameset onload="boom();"></frameset>

</html>
